EP0788730B1 - Landwirtschaftliche Maschine mit in Fahrtrichtung gestaffelt angeordneten Arbeitswerkzeugen - Google Patents
Landwirtschaftliche Maschine mit in Fahrtrichtung gestaffelt angeordneten Arbeitswerkzeugen Download PDFInfo
- Publication number
- EP0788730B1 EP0788730B1 EP97100663A EP97100663A EP0788730B1 EP 0788730 B1 EP0788730 B1 EP 0788730B1 EP 97100663 A EP97100663 A EP 97100663A EP 97100663 A EP97100663 A EP 97100663A EP 0788730 B1 EP0788730 B1 EP 0788730B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- shut
- pressure
- switching
- working
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/14—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors
- A01B63/24—Tools or tool-holders adjustable relatively to the frame
- A01B63/32—Tools or tool-holders adjustable relatively to the frame operated by hydraulic or pneumatic means without automatic control
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D78/00—Haymakers with tines moving with respect to the machine
- A01D78/08—Haymakers with tines moving with respect to the machine with tine-carrying rotary heads or wheels
- A01D78/10—Haymakers with tines moving with respect to the machine with tine-carrying rotary heads or wheels the tines rotating about a substantially vertical axis
- A01D78/1007—Arrangements to facilitate transportation specially adapted therefor
- A01D78/1014—Folding frames
Definitions
- the invention relates to an agricultural machine staggered in the direction of travel, with the help of Printing cylinders lifting work tools.
- a machine This type is, for example, a rotary swather with two or more staggered tine rotors, one of which worked for the other.
- the German patent application P 41 03 507.0 shows such a machine.
- you can through assigned control valves individual tine gyro to Swivel up can be selected. But are all for transport existing tine gyroscope in a vertical position to swing up, this is only possible in one operation.
- Another example of a generic machine is to name a plow with several plowshares in one sloping row. As is well known, such Plow only all plowshares can be lifted together.
- the invention is based, in described operating situation the track to be crossed protect and still completely cover the area run over to edit.
- the proposed switching arrangement can be for three or expand more staggered work tools. To do this too stops are provided for the additional work tools and a further one that opens at the switching pressure Check valve.
- the control device is actuated expediently with the help of a switching valve that either a pressure source or an unpressurized one Return line with the input of the switching arrangement combines.
- An exemplary embodiment is appended to the drawing explains the use of an inventive partially automatic arrangement for lifting the two Tine spinning top of a rotary swather.
- the 1 has a longitudinal spar 1, which also forms the drawbar and on a two-wheeler Chassis 2 rests.
- an arm 3 At the front section of the longitudinal spar 1 is an arm 3 around a parallel to the longitudinal spar Swivel axis 4 pivotally mounted (see also Fig. 3).
- a tine rotor 5 To the Arm 3 is a tine rotor 5 with controlled swath rakes stored, its axis perpendicular to arm 3 and in the here shown working position is vertical.
- the tine top 5 relies on a four-wheel chassis 6.
- Another Tine gyroscope 7 of similar size and design is the most rear part of the longitudinal spar 1 or the chassis 2 supported by an arm 8 pivotable.
- the Swivel axis 9 of this arm runs horizontally and obliquely to the direction of travel, so that the gyro for transport in the Can pivot track of the chassis 2.
- Both tine rotors turn counterclockwise.
- the leading tine rotor 5 puts a small swath 10 in the middle.
- the trailing tine rotor 7 takes this and forms a double swath 11 on the outside left.
- Fig. 3 the longitudinal spar 1 is shown in cross section and the bearing fork of the arm 3, which the tine rotor 5 carries and the pivot axis is designated 4. Moreover is a hydraulic pressure cylinder 12 indicated, the Arm 3 with the tine rotor 5 swings up or down.
- a Support 13 interacts with a stop 14 of the arm 3.
- a cross pin 15 attached to the longitudinal spar penetrates Elongated hole of the support 13, which contains a spring 16 and thus can give way elastically.
- the support 13th swing away so that the arm with the Transport can be pivoted into the vertical position.
- the stop position shown is the swivel angle limited to 60 °, which is enough to turn the gyro in the to lift essentially over a swath to be crossed.
- the control device with the described effect allows it to the driver to maintain the driving speed consistently and thereby a higher area coverage and at the same time to achieve a correct image. This ensures that in the subsequent operation the swathed crop can be completely absorbed.
- FIG. 2 A hydraulic control arrangement described in the Acting in a manner is shown in Fig. 2.
- a single-acting hydraulic pressure cylinder 12 and Raising the trailing tine gyro 7 a corresponding Printing cylinder 20 are both at the exit of one Pressure fluid switching arrangement 21 connected.
- Their entrance 22 is to be operated manually in the example Switch valve 23 either with a hydraulic pump 24 or an unpressurized return line 25 connected.
- the Switch assembly 21 includes a normally open check valve 26, which at a switching pressure of about 3 bar on his Inlet closes and a normally closed check valve 27, that opens at a higher inlet pressure of around 100 bar. These two valves are between the input 22 and the Printing cylinder 20 in series. Both check valves 26 and 27 are bypassed by check valves 28 and 29 leading to the Open connection line 30 of the two check valves.
- the Printing cylinder 12 is directly at the input 22 connected.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Soil Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Soil Working Implements (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Description
- Fig. 1
- die schematische Draufsicht eines Schwaders mit zwei gestaffelt angeordneten Zinkenkreiseln,
- Fig. 2
- das Schaltbild der hydraulischen Steueranordnung für die Druckzylinder zum Anheben der Zinkenkreisel,
- Fig. 3
- eine seitliche Teilansicht des Schwenkmechanismus eines Zinkenkreisels der in Fig. 1 dargestellten Maschine,
- Fig. 4
- im größeren Maßstab die Skizze eines rechteckigen Feldes, auf dem das Mähgut mit Hilfe eines Schwaders nach Fig. 1 schon teilweise zu einem Schwad zusammengerecht ist,
- Fig. 5-7
- weitere Skizzen dieses Feldes mit Darstellung des Schwaders in nachfolgenden Stadien des Arbeitsvorgangs.
- 1
- Längsholm
- 2
- Fahrgestell
- 3
- Arm
- 4
- Schwenkachse
- 5
- Zinkenkreisel
- 6
- Vierrad-Fahrgestell
- 7
- Zinkenkreisel
- 8
- Arm
- 9
- Schwenkachse
- 10
- Kleinschwad
- 11
- Doppelschwad
- 12
- Druckzylinder
- 13
- Stütze
- 14
- Anschlag
- 15
- Querzapfen
- 16
- Feder
- 17
- Ungerechtes
- 18
- Schlepper
- 19
- Schwad
- 20
- Druckzylinder
- 21
- Schaltanordnung
- 22
- Eingang
- 23
- Umschaltventil
- 24
- Hydraulikpumpe
- 25
- Rückleitung
- 26
- Sperrventil
- 27
- Sperrventil
- 28
- Rückschlagventil
- 29
- Rückschlagventil
- 30
- Verbindungsleitung
Claims (5)
- Landwirtschaftliche Maschine mit in Fahrtrichtung gestaffelt angeordneten, mit Hilfe von Druckzylindern einzeln anhebbaren Arbeitswerkzeugen, wobei die Druckzylinder (12, 20) der Arbeitswerkzeuge (5, 7) mit einer Druckmittel-Schaltanordnung (21) verbunden sind, die mittels eines zwei Stellungen aufweisenden Umschaltventils (23) ansteuerbar ist, und wobei in der einen Stellung des Umschaltventils (23) die Arbeitswerkzeuge (5, 7) in einer bestimmten Reihenfolge und zeitlichen Abfolge angehoben werden und in der anderen Stellung des Umschaltventils in der gleichen Reihenfolge und einer bestimmten zeitlichen Abfolge abgesenkt werden, dadurch gekennzeichnet, daß die Schaltanordnung (21) umfaßt:ein erstes normal geöffnetes Sperrventil (26), das bei einem ersten niedrigen Schaltdruck an seiner Eingangsseite sperrt,sowie ein zweites normal geschlossenes Sperrventil (27), das bei einem zweiten hohen Schaltdruck an seiner Eingangsseite öffnet,
daß am Eingang (22) der Schaltanordnung das erste Sperrventil (26), das zweite Sperrventil (27) und der Druckzylinder (20) eines zweiten Arbeitswerkzeugs (7) in Reihenschaltung angeschlossen sind,
und daß das erste Sperrventil (26) durch ein zum zweiten Sperrventil (27) hin öffnendes Rückschlagventil (28) und das zweite Sperrventil (27) durch ein zum ersten Sperrventil hin öffnendes Rückschlagventil (29) überbrückt ist. - Maschine nach Anspruch 1, dadurch gekennzeichnet, daß ein zum Betrieb auf dem Feld einlegbarer, mit dem vorauslaufenden Arbeitswerkzeug (5) zusammenwirkender Anschlag (13, 14) vorgesehen ist, der den Ausschwenkwinkel dieses Arbeitswerkzeugs (5) auf einen zur Schonung einer zu überfahrenden Arbeitsspur ausreichenden Wert begrenzt.
- Maschine nach Anspruch 1, dadurch gekennzeichnet, daß an der Anschlußleitung des Druckzylinders (20) für das zweite Arbeitswerkzeug ein weiterer Druckzylinder über ein weiteres, normal geschlossenes und durch ein Rückschlagventil überbrücktes Sperrventil angeschlossen ist und die Schaltdrücke aller drei Sperrventile aufsteigend gestuft sind.
- Maschine nach Anspruch 1, dadurch gekennzeichnet, daß das Umschaltventil (23) eine Druckquelle (24) und eine drucklose Rücklaufleitung (25) abwechselnd mit dem Eingang (22) der Schaltanordnung verbindet.
- Verwendung der teilselbsttätigenden Anordnung nach einem der vorhergehenden Ansprüche beim Anheben der Arbeitswerkzeuge bei einem Kreiselschwader mit wenigstens zwei in Fahrtrichtung gestaffelt angeordneten Zinkenkreiseln.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19603400A DE19603400A1 (de) | 1996-01-31 | 1996-01-31 | Landwirtschaftliche Maschine mit in Fahrtrichtung gestaffelt angeordneten Arbeitswerkzeugen |
DE19603400 | 1996-01-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0788730A1 EP0788730A1 (de) | 1997-08-13 |
EP0788730B1 true EP0788730B1 (de) | 2002-12-11 |
Family
ID=7784119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97100663A Expired - Lifetime EP0788730B1 (de) | 1996-01-31 | 1997-01-17 | Landwirtschaftliche Maschine mit in Fahrtrichtung gestaffelt angeordneten Arbeitswerkzeugen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0788730B1 (de) |
AT (1) | ATE229259T1 (de) |
DE (2) | DE19603400A1 (de) |
DK (1) | DK0788730T3 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19818685A1 (de) * | 1998-04-27 | 1999-10-28 | Claas Saulgau Gmbh | Transportverriegelung einer landwirtschaftlichen Arbeitsmaschine |
DE19859875A1 (de) * | 1998-12-23 | 2000-06-29 | Claas Saulgau Gmbh | Steuerung für landwirtschaftliche Arbeitsmaschine |
DE10036631A1 (de) * | 2000-07-26 | 2002-02-07 | Claas Saulgau Gmbh | Verfahren und Vorrichtungen zum Schwenken von Tragarmen für die Arbeitswerkzeuge mehrteiliger Iandwirtschaftlicher Arbeitsmaschinen |
NL1021217C2 (nl) * | 2002-08-06 | 2004-02-10 | Lely Entpr Ag | Inrichting voor het bewerken van zich op de grond bevindend gewas. |
DE102009034933A1 (de) * | 2009-07-28 | 2011-02-03 | Kverneland Asa | Schwaderkombination |
DE202010016173U1 (de) | 2010-12-03 | 2012-03-06 | Alois Pöttinger Maschinenfabrik Gmbh | Landwirtschaftliche Arbeitsmaschine mit Folgesteuerung |
CN106337846B (zh) * | 2016-10-12 | 2018-08-17 | 中南大学 | 可实现顺序夹桩的压桩机夹桩液压系统和控制方法及夹桩顺序控制阀 |
EP3566557B1 (de) * | 2018-05-08 | 2023-08-23 | Kverneland Group Kerteminde AS | Landwirtschaftliche maschine |
AT523684A1 (de) * | 2020-04-08 | 2021-10-15 | Poettinger Landtechnik Gmbh | Verfahren zum Betreiben eines Mehrkreiselschwaders sowie Mehrkreiselschwader |
KR102385239B1 (ko) * | 2020-06-19 | 2022-04-11 | 두산산업차량 주식회사 | 지게차 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1498258A (en) * | 1911-01-23 | 1924-06-17 | Avery Co | Gang plow |
US3918240A (en) * | 1974-09-16 | 1975-11-11 | Jacobsen Mfg Co | Hydraulic system for a gang lawn mower |
DD129425A1 (de) * | 1977-01-19 | 1978-01-18 | Joachim Georgi | Hydraulische schalteinrichtung fuer anbaugeraete an traktoren |
JPS5635806A (en) * | 1979-09-01 | 1981-04-08 | Sanyo Kiki Kk | Compound oil pressure circuit |
SE444103B (sv) * | 1982-12-17 | 1986-03-24 | Sture Norelius | Anordning vid en plog innefattande ett flertal individuellt hoj- och senkbart anbringande plogkroppar |
NL8303818A (nl) * | 1983-11-07 | 1985-06-03 | Lely Nv C Van Der | Trekker. |
US4642019A (en) * | 1984-12-19 | 1987-02-10 | General Signal Corporation | Hydraulic control system and valve therefor |
DE3600816A1 (de) * | 1986-01-14 | 1987-07-16 | Mak Maschinenbau Krupp | Schwenkwerk mit zwei separaten zylinder-kurbeltrieben als antrieb |
DE3900724C1 (en) * | 1989-01-12 | 1990-03-15 | Karl 6440 Bebra De Diegel | Tractor with mowing units |
DE4019942A1 (de) * | 1990-06-22 | 1992-01-02 | Claas Saulgau Gmbh | Zweikreisel-schwader |
DE9312222U1 (de) * | 1993-08-16 | 1993-10-07 | Poettinger Ohg Alois | Heuwerbungsmaschine |
-
1996
- 1996-01-31 DE DE19603400A patent/DE19603400A1/de not_active Withdrawn
-
1997
- 1997-01-17 AT AT97100663T patent/ATE229259T1/de not_active IP Right Cessation
- 1997-01-17 DK DK97100663T patent/DK0788730T3/da active
- 1997-01-17 DE DE59708912T patent/DE59708912D1/de not_active Expired - Lifetime
- 1997-01-17 EP EP97100663A patent/EP0788730B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19603400A1 (de) | 1997-08-07 |
ATE229259T1 (de) | 2002-12-15 |
DK0788730T3 (da) | 2003-03-24 |
EP0788730A1 (de) | 1997-08-13 |
DE59708912D1 (de) | 2003-01-23 |
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